Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...

The Universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous -- and highly debated -- results had shown: The Universe is expanding faster than predicted by ...

What better way to end than with some examples of said beauty and utility? After all that reading, we'll leave you with a few glamour shots of our favorite nebula: Messier 16, better known as the ...